آمپلی فایر همراه با پری امپلی فایر
T endency of catering: 15V
Force of expense: 4,2Wrms in the 4W
Minimal signal of entry: 94mVp-p with preamplifier, 0,65Vp-p without the preamplifier.
Materially:
R1
|
2,2KW
|
R2
|
330KW
|
R3
|
4,7KW logarithmic potentiometer
|
R4
|
330W
|
R5
|
1KW
|
R6
|
1,5W
|
C1, C6
|
100nF polyester
|
C2
|
100mF/25V ilektrolytjko's
|
C3, C7
|
1mF/25V electrolytic
|
C4
|
1000uF/25V electrolytic
|
C5
|
10uF/25V electrolytic
|
Q1
|
BC547
|
U1
|
TDA2002
|
LS1
|
Loudspeaker.
|
Notes:
LS1
|
Force of expense
|
2W
|
6,5Wrms
|
4W
|
4,2Wrms
|
6W
|
3Wrms
|
8W
|
2,25Wrms
|
Proportionally the resistance of loudspeaker changes the force that it can give the amplifier: